@book{ib00488000, author = {Beroaldus, Philippus}, title = {De optimo statu et principe}, year = {10 Apr. 1500}, note = {Polain assigns to Georg Wolf for Thielman Kerver}, publisher = {Thielman Kerver, for Jean Petit}, address = {Paris}, annote = { This record was exported from the Incunabula Short Title Catalogue (ISTC): http://data.cerl.org/istc/ib00488000} }